12272545406 has 8 divisors (see below), whose sum is σ = 20082347064. Its totient is φ = 5578429720.

The previous prime is 12272545393. The next prime is 12272545423. The reversal of 12272545406 is 60454527221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 12272545406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 278921465 + ... + 278921508.

It is an arithmetic number, because the mean of its divisors is an integer number (2510293383).

Almost surely, 2^12272545406 is an apocalyptic number.

12272545406 is a deficient number, since it is larger than the sum of its proper divisors (7809801658).

12272545406 is a wasteful number, since it uses less digits than its factorization.

12272545406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557842986.

The product of its (nonzero) digits is 134400, while the sum is 38.

The spelling of 12272545406 in words is "twelve billion, two hundred seventy-two million, five hundred forty-five thousand, four hundred six".